/**
 日历选择控件
 */
var cal;
var isFocus = false; //是否为焦点
var dateTime = "";
var pickMode = {
  "second": 1,
  "minute": 2,
  "hour": 3,
  "day": 4,
  "month": 5,
  "year": 6
};

var topY = 0, leftX = 0;  //自定义定位偏移量 2007-02-11 由 寒羽枫添加

function setyear(obj) {
  SelectDate(obj, 'yyyy');
}

function setMonth(obj) {
  SelectDate(obj, 'yyyyMM');
}

function setDay(obj) {
  SelectDate(obj, 'yyyyMMdd');
}

function setDay(obj, formatStr) {
  SelectDate(obj, formatStr);
}

//选择日期 → 由 2007-06-10 添加，通过 ID 来选日期     
function SelectDateById(id, strFormat, x, y) {
  var obj = document.getElementById(id);
  if (obj == null) {
    return false;
  }
  obj.focus();
  if (obj.onclick != null) {
    obj.onclick();
  }
  else if (obj.click != null) {
    obj.click();
  }
  else {
    SelectDate(obj, strFormat, x, y)
  }
}

//选择日期 → 由 2006-06-25 添加                       
function SelectDate(obj, strFormat, x, y) {
  leftX = (x == null) ? leftX : x;
  topY = (y == null) ? topY : y;//自定义定位偏移量 2007-02-11 由 寒羽枫添加
  if (document.getElementById("ContainerPanel") == null) {
    InitContainerPanel();
  }
  var date = new Date();
  var by = date.getFullYear() - 5;  //最小值 → 50 年前
  var ey = date.getFullYear() + 10;  //最大值 → 50 年后
  //cal = new Calendar(by, ey,1,strFormat);    //初始化英文版，0 为中文版                                 
  cal = (cal == null) ? new Calendar(by, ey, 0) : cal;    //不用每次都初始化 2006-12-03 修正
  cal.DateMode = pickMode["second"]; //复位
  if (strFormat.indexOf('s') < 0) {
    cal.DateMode = pickMode["minute"];
  }//精度为分
  if (strFormat.indexOf('m') < 0) {
    cal.DateMode = pickMode["hour"];
  }//精度为时
  if (strFormat.indexOf('h') < 0) {
    cal.DateMode = pickMode["day"];
  }//精度为日
  if (strFormat.indexOf('d') < 0) {
    cal.DateMode = pickMode["month"];
  }//精度为月
  if (strFormat.indexOf('M') < 0) {
    cal.DateMode = pickMode["year"];
  }//精度为年
  if (strFormat.indexOf('y') < 0) {
    cal.DateMode = pickMode["second"];
  }//默认精度为秒
  cal.dateFormatStyleOld = cal.dateFormatStyle;
  cal.dateFormatStyle = strFormat;
  cal.show(obj);
}

/**/
/**/
/**/
/**/
/**/
/**/
/**/
/**
 * 返回日期
 * @param d the delimiter
 * @param p the pattern of your date
 2006-06-25 由 修改为根据用户指定的 style 来确定；
 */
String.prototype.toDate = function (style) {
  var y = this.substring(style.indexOf('y'), style.lastIndexOf('y') + 1);//年
  var M = this.substring(style.indexOf('M'), style.lastIndexOf('M') + 1);//月
  var d = this.substring(style.indexOf('d'), style.lastIndexOf('d') + 1);//日
  var h = this.substring(style.indexOf('h'), style.lastIndexOf('h') + 1);//时
  var m = this.substring(style.indexOf('m'), style.lastIndexOf('m') + 1);//分
  var s = this.substring(style.indexOf('s'), style.lastIndexOf('s') + 1);//秒

  if (s == null || s == "" || isNaN(s)) {
    s = new Date().getSeconds();
  }
  if (m == null || m == "" || isNaN(m)) {
    m = new Date().getMinutes();
  }
  if (h == null || h == "" || isNaN(h)) {
    h = new Date().getHours();
  }
  if (d == null || d == "" || isNaN(d)) {
    d = new Date().getDate();
  }
  if (M == null || M == "" || isNaN(M)) {
    M = new Date().getMonth() + 1;
  }
  if (y == null || y == "" || isNaN(y)) {
    y = new Date().getFullYear();
  }
  var dt;
  eval("dt = new Date('" + y + "', '" + (M - 1) + "','" + d + "','" + h + "','"
      + m + "','" + s + "')");
  return dt;
}

/**
 * 格式化日期
 * @param   d the delimiter
 * @param   p the pattern of your date
 * @author  meizz
 */
Date.prototype.format = function (style) {
  var o = {
    "M+": this.getMonth() + 1, //month
    "d+": this.getDate(),      //day
    "h+": this.getHours(),     //hour
    "m+": this.getMinutes(),   //minute
    "s+": this.getSeconds(),   //second
    "w+": "天一二三四五六".charAt(this.getDay()),   //week
    "q+": Math.floor((this.getMonth() + 3) / 3),  //quarter
    "S": this.getMilliseconds() //millisecond
  }
  if (/(y+)/.test(style)) {
    style = style.replace(RegExp.$1,
        (this.getFullYear() + "").substr(4 - RegExp.$1.length));
  }
  for (var k in o) {
    if (new RegExp("(" + k + ")").test(style)) {
      style = style.replace(RegExp.$1,
          RegExp.$1.length == 1 ? o[k] :
              ("00" + o[k]).substr(("" + o[k]).length));
    }
  }
  return style;
}

//2007-09-14  由寒羽枫添加返回所选日期                        
Calendar.prototype.ReturnDate = function (dt) {
  if (this.dateControl != null) {
    this.dateControl.value = dt;
  }
  calendar.hide();
  try {
    searchDate(dt);//调用外部函数执行方法
  } catch (e) {
  }
  if (this.dateControl.onchange == null) {
    return;
  }
  //将 onchange 转成其它函数，以免触发验证事件
  var ev = this.dateControl.onchange.toString(); //找出函数的字串   
  ev = ev.substring(
      ((ev.indexOf("ValidatorOnChange();") > 0) ? ev.indexOf(
          "ValidatorOnChange();") + 20 : ev.indexOf("{") + 1)
      , ev.lastIndexOf("}"));//去除验证函数 ValidatorOnChange();
  var fun = new Function(ev);		//重新定义函数
  this.dateControl.changeEvent = fun;
  this.dateControl.changeEvent();//触发自定义 changeEvent 函数 
}

/**
 * 日历类
 * @param   beginYear 1990
 * @param   endYear   2050
 * @param   lang      0(中文)|1(英语) 可自由扩充
 * @param   dateFormatStyle  "yyyy-MM-dd";
 * @version 2006-04-01
 * @author  KimSoft (jinqinghua [at] gmail.com)
 * @update
 */
function Calendar(beginYear, endYear, lang, dateFormatStyle) {
  this.beginYear = 1990;
  this.endYear = 2050;
  this.lang = 0;            //0(中文) | 1(英文)
  this.dateFormatStyle = "yyyy-MM-dd hh:mm:ss";

  if (beginYear != null && endYear != null) {
    this.beginYear = beginYear;
    this.endYear = endYear;
  }
  if (lang != null) {
    this.lang = lang
  }

  if (dateFormatStyle != null) {
    this.dateFormatStyle = dateFormatStyle
  }

  this.dateControl = null;
  this.panel = this.getElementById("calendarPanel");
  this.container = this.getElementById("ContainerPanel");
  this.form = null;

  this.date = new Date();
  this.year = this.date.getFullYear();
  this.month = this.date.getMonth();

  this.day = this.date.getDate();
  this.hour = this.date.getHours();
  this.minute = this.date.getMinutes();
  this.second = this.date.getSeconds();

  this.colors = {
    "cur_word": "#FFFFFF",  //当日日期文字颜色
    "cur_bg": "#00FF00",  //当日日期单元格背影色
    "sel_bg": "#FFCCCC",  //已被选择的日期单元格背影色 2006-12-03 寒羽枫添加
    "sun_word": "#FF0000",  //星期天文字颜色
    "sat_word": "#0000FF",  //星期六文字颜色
    "td_word_light": "#333333",  //单元格文字颜色
    "td_word_dark": "#CCCCCC",  //单元格文字暗色
    "td_bg_out": "#EFEFEF",  //单元格背影色
    "td_bg_over": "#FFCC00",  //单元格背影色
    "tr_word": "#FFFFFF",  //日历头文字颜色
    "tr_bg": "#666666",  //日历头背影色
    "input_border": "#CCCCCC",  //input控件的边框颜色
    "input_bg": "#EFEFEF"   //input控件的背影色
  }
  /* //2008-01-29 放到了 show ，因为要做 pickMode 判断
   this.draw();
   this.bindYear();
   this.bindMonth();
   */
  //this.changeSelect();
  //this.bindData(); //2006-12-30 由民工.砖家注释
}

/**/
/**/
/**/
/**/
/**/
/**/
/**/
/**
 * 日历类属性（语言包，可自由扩展）
 */
Calendar.language = {
  "year": [
    [""],
    [""]
  ],
  "months": [
    ["一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"],
    ["JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT",
      "NOV", "DEC"]
  ],
  "weeks": [
    ["日", "一", "二", "三", "四", "五", "六"],
    ["SUN", "MON", "TUR", "WED", "THU", "FRI", "SAT"]
  ],
  "hour": [
    ["时"],
    ["H"]
  ],
  "minute": [
    ["分"],
    ["M"]
  ],
  "second": [
    ["秒"],
    ["S"]
  ],
  "clear": [
    ["清空"],
    ["CLS"]
  ],
  "today": [
    ["今天"],
    ["TODAY"]
  ],
  "pickTxt": [
    ["确定"],
    ["OK"]
  ],//pickMode 精确到年、月时把今天变成“确定”
  "close": [
    ["关闭"],
    ["CLOSE"]
  ]
}

Calendar.prototype.draw = function () {//画时间控件===============================================================================开始
  calendar = this;
  var mvAry = [];
  //mvAry[mvAry.length]  = '  <form name="calendarForm" style="margin: 0px;">'; //因 <form> 不能嵌套， 2006-12-01 由寒羽枫改用 Div
  mvAry[mvAry.length] = '  <div name="calendarForm" style="margin: 0px;">';
  mvAry[mvAry.length] = '    <table width="100%" border="0" cellpadding="0" cellspacing="1" style="font-size:12px;">';
  mvAry[mvAry.length] = '      <tr>';
  mvAry[mvAry.length] = '        <th style="" align="left" width="1%"><input style="border: 1px solid '
      + calendar.colors["input_border"] + ';background-color:'
      + calendar.colors["input_bg"] + ';width:16px;height:20px;';
  if (calendar.DateMode > pickMode["month"]) {
    mvAry[mvAry.length] = 'display:none;';
  }//pickMode 精确到年时隐藏“月”
  mvAry[mvAry.length] = '" name="prevMonth" type="button" id="prevMonth" value="&lt;" /></th>';
  mvAry[mvAry.length] = '        <th style="" align="center" width="98%" nowrap="nowrap"><select name="calendarYear" id="calendarYear" style="font-size:12px;"></select><select name="calendarMonth" id="calendarMonth" style="font-size:12px;';
  if (calendar.DateMode > pickMode["month"]) {
    mvAry[mvAry.length] = 'display:none;';
  }//pickMode 精确到年时隐藏“月”
  mvAry[mvAry.length] = '"></select></th>';
  mvAry[mvAry.length] = '        <th style="" align="right" width="1%"><input style="border: 1px solid '
      + calendar.colors["input_border"] + ';background-color:'
      + calendar.colors["input_bg"] + ';width:16px;height:20px;';
  if (calendar.DateMode > pickMode["month"]) {
    mvAry[mvAry.length] = 'display:none;';
  }//pickMode 精确到年时隐藏“月”
  mvAry[mvAry.length] = '" name="nextMonth" type="button" id="nextMonth" value="&gt;" /></th>';
  mvAry[mvAry.length] = '      </tr>';
  mvAry[mvAry.length] = '    </table>';
  mvAry[mvAry.length] = '    <table id="calendarTable" width="100%" style="border:0px solid #CCCCCC;background-color:#FFFFFF;font-size:12px;';
  if (calendar.DateMode >= pickMode["month"]) {
    mvAry[mvAry.length] = 'display:none;';
  }//pickMode 精确到年、月时隐藏“天”
  mvAry[mvAry.length] = '" border="0" cellpadding="3" cellspacing="1">';
  mvAry[mvAry.length] = '      <tr>';
  for (var i = 0; i < 7; i++) {
    mvAry[mvAry.length] = '      <th style="font-weight:normal;background-color:'
        + calendar.colors["tr_bg"] + ';color:' + calendar.colors["tr_word"]
        + ';">' + Calendar.language["weeks"][this.lang][i] + '</th>';
  }
  mvAry[mvAry.length] = '      </tr>';
  for (var i = 0; i < 6; i++) {
    mvAry[mvAry.length] = '    <tr align="center">';
    for (var j = 0; j < 7; j++) {
      if (j == 0) {
        mvAry[mvAry.length] = '  <td style="cursor:default;color:'
            + calendar.colors["sun_word"] + ';"></td>';
      } else if (j == 6) {
        mvAry[mvAry.length] = '  <td style="cursor:default;color:'
            + calendar.colors["sat_word"] + ';"></td>';
      } else {
        mvAry[mvAry.length] = '  <td style="cursor:default;"></td>';
      }
    }
    mvAry[mvAry.length] = '    </tr>';
  }

//2009-03-03 添加的代码，放置时间的行                         
  mvAry[mvAry.length] = '      <tr style="';
  if (calendar.DateMode >= pickMode["day"]) {
    mvAry[mvAry.length] = 'display:none;';
  }//pickMode 精确到时日隐藏“时间”
  mvAry[mvAry.length] = '"><td align="center" colspan="7">';
  mvAry[mvAry.length] = '      <select name="calendarHour" id="calendarHour" style="font-size:12px;"></select>'
      + Calendar.language["hour"][this.lang];
  mvAry[mvAry.length] = '<span style="'
  if (calendar.DateMode >= pickMode["hour"]) {
    mvAry[mvAry.length] = 'display:none;';
  }//pickMode 精确到小时时隐藏“分”
  mvAry[mvAry.length] = '"><select name="calendarMinute" id="calendarMinute" style="font-size:12px;"></select>'
      + Calendar.language["minute"][this.lang] + '</span>';
  mvAry[mvAry.length] = '<span style="'
  if (calendar.DateMode >= pickMode["minute"]) {
    mvAry[mvAry.length] = 'display:none;';
  }//pickMode 精确到小时、分时隐藏“秒”
  mvAry[mvAry.length] = '"><select name="calendarSecond" id="calendarSecond" style="font-size:12px;"></select>'
      + Calendar.language["second"][this.lang] + '</span>';
  mvAry[mvAry.length] = '      </td></tr>';

  mvAry[mvAry.length] = '    </table>';
  //mvAry[mvAry.length]  = '  </from>';
  mvAry[mvAry.length] = '      <div align="center" style="padding:4px 4px 4px 4px;background-color:'
      + calendar.colors["input_bg"] + ';">';
  mvAry[mvAry.length] = '        <input name="calendarClear" type="button" id="calendarClear" value="'
      + Calendar.language["clear"][this.lang] + '" style="border: 1px solid '
      + calendar.colors["input_border"] + ';background-color:'
      + calendar.colors["input_bg"]
      + ';width:40px;height:20px;font-size:12px;cursor:pointer;"/>';
  mvAry[mvAry.length] = '        <input name="calendarToday" type="button" id="calendarToday" value="'
  mvAry[mvAry.length] = (calendar.DateMode == pickMode["day"])
      ? Calendar.language["today"][this.lang]
      : Calendar.language["pickTxt"][this.lang];
  mvAry[mvAry.length] = '" style="border: 1px solid '
      + calendar.colors["input_border"] + ';background-color:'
      + calendar.colors["input_bg"]
      + ';width:60px;height:20px;font-size:12px;cursor:pointer"/>';
  mvAry[mvAry.length] = '        <input name="calendarClose" type="button" id="calendarClose" value="'
      + Calendar.language["close"][this.lang] + '" style="border: 1px solid '
      + calendar.colors["input_border"] + ';background-color:'
      + calendar.colors["input_bg"]
      + ';width:40px;height:20px;font-size:12px;cursor:pointer"/>';
  mvAry[mvAry.length] = '      </div>';

  mvAry[mvAry.length] = '  </div>';
  this.panel.innerHTML = mvAry.join("");

  /**/
  /**/
  /**/
  /******** 以下代码由2006-12-01 添加 **********/
  var obj = this.getElementById("prevMonth");
  obj.onclick = function () {
    calendar.goPrevMonth(calendar);
  }
  obj.onblur = function () {
    calendar.onblur();
  }
  this.prevMonth = obj;

  obj = this.getElementById("nextMonth");
  obj.onclick = function () {
    calendar.goNextMonth(calendar);
  }
  obj.onblur = function () {
    calendar.onblur();
  }
  this.nextMonth = obj;

  obj = this.getElementById("calendarClear");
  obj.onclick = function () {
    calendar.ReturnDate("");
    /*calendar.dateControl.value = "";calendar.hide();*///2007-09-14 由寒羽枫注释
    clearInputText();
  }
  this.calendarClear = obj;

  obj = this.getElementById("calendarClose");
  obj.onclick = function () {
    calendar.hide();
  }
  this.calendarClose = obj;

  obj = this.getElementById("calendarYear");
  obj.onchange = function () {
    calendar.update(calendar);
  }
  obj.onblur = function () {
    calendar.onblur();
  }
  this.calendarYear = obj;

  obj = this.getElementById("calendarMonth");
  with (obj) {
    onchange = function () {
      calendar.update(calendar);
    }
    onblur = function () {
      calendar.onblur();
    }
  }
  this.calendarMonth = obj;

  obj = this.getElementById("calendarHour");
  obj.onchange = function () {
    calendar.hour = this.options[this.selectedIndex].value;
  }
  obj.onblur = function () {
    calendar.onblur();
  }
  this.calendarHour = obj;

  obj = this.getElementById("calendarMinute");
  obj.onchange = function () {
    calendar.minute = this.options[this.selectedIndex].value;
  }
  obj.onblur = function () {
    calendar.onblur();
  }
  this.calendarMinute = obj;

  obj = this.getElementById("calendarSecond");
  obj.onchange = function () {
    calendar.second = this.options[this.selectedIndex].value;
  }
  obj.onblur = function () {
    calendar.onblur();
  }
  this.calendarSecond = obj;

  obj = this.getElementById("calendarToday");
  obj.onclick = function () {
    var today = (calendar.DateMode != pickMode["day"]) ?
        new Date(calendar.year, calendar.month, calendar.day, calendar.hour,
            calendar.minute, calendar.second) : new Date();//2008-01-29
    calendar.ReturnDate(today.format(calendar.dateFormatStyle));
  }
  this.calendarToday = obj;
}//画时间控件===============================================================================结束

//年份下拉框绑定数据    
Calendar.prototype.bindYear = function () {
  var cy = this.calendarYear;//2006-12-01 由寒羽枫修改
  cy.length = 0;
  for (var i = this.beginYear; i <= this.endYear; i++) {
    cy.options[cy.length] = new Option(i + Calendar.language["year"][this.lang],
        i);
  }
}

//月份下拉框绑定数据    
Calendar.prototype.bindMonth = function () {
  var cm = this.calendarMonth;//2006-12-01 由寒羽枫修改
  cm.length = 0;
  for (var i = 0; i < 12; i++) {
    cm.options[cm.length] = new Option(
        Calendar.language["months"][this.lang][i], i);
  }
}

//小时下拉框绑定数据    
Calendar.prototype.bindHour = function () {
  var ch = this.calendarHour;
  if (ch.length > 0) {
    return;
  }//2009-03-03 不需要重新绑定，提高性能
  //ch.length = 0;
  var h;
  for (var i = 0; i < 24; i++) {
    h = ("00" + i + "").substr(("" + i).length);
    ch.options[ch.length] = new Option(h, h);
  }
}

//分钟下拉框绑定数据    
Calendar.prototype.bindMinute = function () {
  var cM = this.calendarMinute;
  if (cM.length > 0) {
    return;
  }//2009-03-03 不需要重新绑定，提高性能
  //cM.length = 0;
  var M;
  for (var i = 0; i < 60; i++) {
    M = ("00" + i + "").substr(("" + i).length);
    cM.options[cM.length] = new Option(M, M);
  }
}

//秒钟下拉框绑定数据    
Calendar.prototype.bindSecond = function () {
  var cs = this.calendarSecond;
  if (cs.length > 0) {
    return;
  }//2009-03-03 不需要重新绑定，提高性能
  //cs.length = 0;
  var s;
  for (var i = 0; i < 60; i++) {
    s = ("00" + i + "").substr(("" + i).length);
    cs.options[cs.length] = new Option(s, s);
  }
}

//向前一月         
Calendar.prototype.goPrevMonth = function (e) {
  if (this.year == this.beginYear && this.month == 0) {
    return;
  }
  this.month--;
  if (this.month == -1) {
    this.year--;
    this.month = 11;
  }
  this.date = new Date(this.year, this.month, 1);
  this.changeSelect();
  this.bindData();
}

//向后一月         
Calendar.prototype.goNextMonth = function (e) {
  if (this.year == this.endYear && this.month == 11) {
    return;
  }
  this.month++;
  if (this.month == 12) {
    this.year++;
    this.month = 0;
  }
  this.date = new Date(this.year, this.month, 1);
  this.changeSelect();
  this.bindData();
}

//改变SELECT选中状态    
Calendar.prototype.changeSelect = function () {
  var cy = this.calendarYear;//2006-12-01 由寒羽枫修改
  var cm = this.calendarMonth;
  var ch = this.calendarHour;
  var cM = this.calendarMinute;
  var cs = this.calendarSecond;
//2006-12-30 由民工.砖家修改，减少运算次数                    
  cy[this.date.getFullYear() - this.beginYear].selected = true;
  cm[this.date.getMonth()].selected = true;

//2009-03-03 添加，初始化时间的值                             
  ch[this.hour].selected = true;
  cM[this.minute].selected = true;
  cs[this.second].selected = true;
}

//更新年、月       
Calendar.prototype.update = function (e) {
  this.year = e.calendarYear.options[e.calendarYear.selectedIndex].value;//2006-12-01 由寒羽枫修改
  this.month = e.calendarMonth.options[e.calendarMonth.selectedIndex].value;
  this.date = new Date(this.year, this.month, 1);
  //this.changeSelect();
  this.bindData();
}

//绑定数据到月视图 
Calendar.prototype.bindData = function () {
  var calendar = this;
  if (calendar.DateMode >= pickMode["month"]) {
    return;
  }//2008-01-29
  // var dateArray = this.getMonthViewArray(this.date.getYear(), this.date.getMonth());
  //2006-12-30 由民工.砖家修改 在Firefox 下年份错误
  var dateArray = this.getMonthViewArray(this.date.getFullYear(),
      this.date.getMonth());
  var tds = this.getElementById("calendarTable").getElementsByTagName("td");
  for (var i = 0; i < tds.length; i++) {
    tds[i].style.backgroundColor = calendar.colors["td_bg_out"];
    tds[i].onclick = function () {
      return;
    }
    tds[i].onmouseover = function () {
      return;
    }
    tds[i].onmouseout = function () {
      return;
    }
    if (i > dateArray.length - 1) {
      break;
    }
    tds[i].innerHTML = dateArray[i];
    if (dateArray[i] != "&nbsp;") {
      tds[i].bgColorTxt = "td_bg_out"; //2009-03-03 保存背景色的class
      var cur = new Date();
      tds[i].isToday = false;
      if (cur.getFullYear() == calendar.date.getFullYear() && cur.getMonth()
          == calendar.date.getMonth() && cur.getDate() == dateArray[i]) {
        //是今天的单元格
        tds[i].style.backgroundColor = calendar.colors["cur_bg"];
        tds[i].bgColorTxt = "cur_bg";
        tds[i].isToday = true;
      }
      if (calendar.dateControl != null) {
        cur = calendar.dateControl.value.toDate(calendar.dateFormatStyle);
        if (cur.getFullYear() == calendar.date.getFullYear() && cur.getMonth()
            == calendar.date.getMonth() && cur.getDate() == dateArray[i]) {
          //是已被选中的单元格
          calendar.selectedDayTD = tds[i];
          tds[i].style.backgroundColor = calendar.colors["sel_bg"];
          tds[i].bgColorTxt = "sel_bg";
        }
      }
      tds[i].onclick = function () {
        if (calendar.DateMode == pickMode["day"]) //2009-03-03 当选择日期时，点击格子即返回值
        {
          calendar.ReturnDate(new Date(calendar.date.getFullYear(),
              calendar.date.getMonth(),
              this.innerHTML).format(calendar.dateFormatStyle));
        }
        else {
          if (calendar.selectedDayTD != null) //2009-03-03 清除已选中的背景色
          {
            calendar.selectedDayTD.style.backgroundColor = (calendar.selectedDayTD.isToday)
                ? calendar.colors["cur_bg"] : calendar.colors["td_bg_out"];
          }
          this.style.backgroundColor = calendar.colors["sel_bg"];
          calendar.day = this.innerHTML;
          calendar.selectedDayTD = this; //2009-03-03 记录已选中的日子
        }
      }
      tds[i].style.cursor = "pointer"; //2007-08-06 由寒羽枫添加，鼠标变成手指状
      tds[i].onmouseover = function () {
        this.style.backgroundColor = calendar.colors["td_bg_over"];
      }
      tds[i].onmouseout = function () {
        if (calendar.selectedDayTD != this) {
          this.style.backgroundColor = calendar.colors[this.bgColorTxt];
        }
      }
      tds[i].onblur = function () {
        calendar.onblur();
      }
    }
  }
}

//根据年、月得到月视图数据(数组形式)                          
Calendar.prototype.getMonthViewArray = function (y, m) {
  var mvArray = [];
  var dayOfFirstDay = new Date(y, m, 1).getDay();
  var daysOfMonth = new Date(y, m + 1, 0).getDate();
  for (var i = 0; i < 42; i++) {
    mvArray[i] = "&nbsp;";
  }
  for (var i = 0; i < daysOfMonth; i++) {
    mvArray[i + dayOfFirstDay] = i + 1;
  }
  return mvArray;
}

//扩展 document.getElementById(id) 多浏览器兼容性 from meizz tree source                                    
Calendar.prototype.getElementById = function (id) {
  if (typeof(id) != "string" || id == "") {
    return null;
  }
  if (document.getElementById) {
    return document.getElementById(id);
  }
  if (document.all) {
    return document.all(id);
  }
  try {
    return eval(id);
  } catch (e) {
    return null;
  }
}

//扩展 object.getElementsByTagName(tagName)                   
Calendar.prototype.getElementsByTagName = function (object, tagName) {
  if (document.getElementsByTagName) {
    return document.getElementsByTagName(
        tagName);
  }
  if (document.all) {
    return document.all.tags(tagName);
  }
}

//取得HTML控件绝对位置  
Calendar.prototype.getAbsPoint = function (e) {
  var x = e.offsetLeft;
  var y = e.offsetTop;
  while (e = e.offsetParent) {
    x += e.offsetLeft;
    y += e.offsetTop;
  }
  return {"x": x, "y": y};
}

//显示日历         
Calendar.prototype.show = function (dateObj, popControl) {
  if (dateObj == null) {
    throw new Error("arguments[0] is necessary")
  }
  this.dateControl = dateObj;
  var now = new Date();
  //2008-01-29 寒羽枫添加 → 若为空则根据dateFormatStyle初始化日期
  this.date = (dateObj.value.length > 0) ? new Date(
      dateObj.value.toDate(this.dateFormatStyle)) : now.format(
      this.dateFormatStyle).toDate(this.dateFormatStyle);
  if (this.panel.innerHTML == "" || cal.dateFormatStyleOld
      != cal.dateFormatStyle)//2008-01-29 把构造表格放在此处，2009-03-03 若请示的样式改变，则重新初始化
  {
    this.draw();
    this.bindYear();
    this.bindMonth();
    this.bindHour();
    this.bindMinute();
    this.bindSecond();
  }
  this.year = this.date.getFullYear();
  this.month = this.date.getMonth();
  this.day = this.date.getDate();
  this.hour = this.date.getHours();
  this.minute = this.date.getMinutes();
  this.second = this.date.getSeconds();
  this.changeSelect();
  this.bindData();
  if (popControl == null) {
    popControl = dateObj;
  }
  var xy = this.getAbsPoint(popControl);
  //this.panel.style.left = xy.x + "px";
  //this.panel.style.top = (xy.y + dateObj.offsetHeight) + "px";
  this.panel.style.left = (xy.x + leftX) + "px"; //由2007-02-11 修改 → 加入自定义偏移量
  this.panel.style.top = (xy.y + topY + dateObj.offsetHeight) + "px";

  //由2006-06-25 修改 → 把 visibility 变为 display，并添加失去焦点的事件  //this.setDisplayStyle("select", "hidden");
  //this.panel.style.visibility = "visible";
  //this.container.style.visibility = "visible";
  this.panel.style.display = "";
  this.container.style.display = "";
  if (!this.dateControl.isTransEvent) {
    this.dateControl.isTransEvent = true;
    /** 已写在返回值的时候  ReturnDate 函数中，去除验证事件的函数
     this.dateControl.changeEvent = this.dateControl.onchange;//将 onchange 转成其它函数，以免触发验证事件
     this.dateControl.onchange = function()
     {if(typeof(this.changeEvent) =='function'){this.changeEvent();}}*/
    if (this.dateControl.onblur != null) {
      this.dateControl.blurEvent = this.dateControl.onblur;
    }//2007-09-14 保存主文本框的 onblur ，使其原本的事件不被覆盖
    this.dateControl.onblur = function () {
      calendar.onblur();
      if (typeof(this.blurEvent) == 'function') {
        this.blurEvent();
      }
    }
  }
  this.container.onmouseover = function () {
    isFocus = true;
  }
  this.container.onmouseout = function () {
    isFocus = false;
  }
}

//隐藏日历         
Calendar.prototype.hide = function () {
  //this.setDisplayStyle("select", "visible");
  //this.panel.style.visibility = "hidden";
  //this.container.style.visibility = "hidden";
  this.panel.style.display = "none";
  this.container.style.display = "none";
  isFocus = false;
}

//焦点转移时隐藏日历 → 由2006-06-25 添加              
Calendar.prototype.onblur = function () {
  if (!isFocus) {
    this.hide();
  }
}

//以下由2007-07-26 修改 → 确保日历容器节点在 body 最后，否则 FireFox 中不能出现在最上方             
function InitContainerPanel() //初始化容器                    
{
  var str = '<div id="calendarPanel" style="position: absolute;display: none;z-index:9999; background-color: #FFFFFF;border: 1px solid #CCCCCC;width:175px;font-size:12px;"></div>';
  if (document.all) {
    str += '<iframe style="position:absolute;z-index:2000;width:expression(this.previousSibling.offsetWidth);';
    str += 'height:expression(this.previousSibling.offsetHeight);';
    str += 'left:expression(this.previousSibling.offsetLeft);top:expression(this.previousSibling.offsetTop);';
    str += 'display:expression(this.previousSibling.style.display);" scrolling="no" frameborder="no"></iframe>';
  }
  var div = document.createElement("div");
  div.innerHTML = str;
  div.id = "ContainerPanel";
  div.style.display = "none";
  document.body.appendChild(div);
}//调用calendar.show(dateControl, popControl);   

/**
 *获得指定日期的临近日期
 *strDate:字符串类型;指定的日期,格式为yyyy-MM-dd或yyyyMMdd
 *nDay:与指定日期相邻的天数 1为明天 -1为昨天
 *format返回字符串的格式(yyyy-MM-dd或yyyyMMdd或yyyy-MM或yyyyMM或yyyy)
 *如果strDate为空或为空字符串则取当前日期
 */
function getNearDay(strDate, nDay, format) {
  try {
    var oDate;
    if (strDate == null || strDate == "") {
      oDate = new Date();
    } else {
      oDate = setDate(strDate);
    }
    var newDate = new Date(oDate.valueOf() + nDay * 24 * 60 * 60 * 1000);
    return dateFromat(newDate, format);
  } catch (e) {
    return "";
  }
}

/**
 *取得当前的时间传入所需要的时间格式和日期
 *参数一：传入的日期型变量；参数二：传入返回值的格式
 *如：yyyyMMdd;yyyyMM;yyyy;yyyy-MM-dd;yyyy-MM;
 *yyyyMMddhhmmss;yyyyMMddhhmm;yyyyMMddhh;
 */
function dateFromat(date, format) {
  //取得当前时间   
  var now = date;
  var year = now.getYear();
  var month = now.getMonth() + 1;
  //如果月份长度是一位则前面补0   
  if (month < 10) {
    month = "0" + month;
  }

  var day = now.getDate();
  //如果天的长度是一位则前面补0   
  if (day < 10) {
    day = "0" + day;
  }

  var hour = now.getHours();
  //如果小时长度是一位则前面补0   
  if (hour < 10) {
    hour = "0" + hour;
  }

  var minute = now.getMinutes();
  //如果分钟长度是一位则前面补0   
  if (minute < 10) {
    minute = "0" + minute;
  }

  var second = now.getSeconds();
  //如果钞长度是一位则前面补0   
  if (second < 10) {
    second = "0" + second;
  }

  var nowdate = "";
  if (format == "yyyy") {
    nowdate = year;
  } else if (format == "yyyyMM") {
    nowdate = year + "" + month;
  } else if (format == "yyyyMMdd") {
    nowdate = year + "" + month + "" + day;
  } else if (format == "yyyyMMddhh") {
    nowdate = year + "" + month + "" + day + "" + hour;
  } else if (format == "yyyyMMddhhmm") {
    nowdate = year + "" + month + "" + day + "" + hour + "" + minute;
  } else if (format == "yyyyMMddhhmmss") {
    nowdate = year + "" + month + "" + day + "" + hour + "" + minute + ""
        + second;
  } else if (format == "yyyy-MM") {
    nowdate = year + "-" + month;
  } else if (format == "yyyy-MM-dd") {
    nowdate = year + "-" + month + "-" + day;
  } else if (format == "yyyy-MM-dd hh") {
    nowdate = year + "-" + month + "-" + day + " " + hour;
  } else if (format == "yyyy-MM-dd hh:mm") {
    nowdate = year + "-" + month + "-" + day + " " + hour + ":" + minute;
  } else if (format == "yyyy-MM-dd hh:mm:ss") {
    nowdate = year + "-" + month + "-" + day + " " + hour + ":" + minute + ":"
        + second;
  }
  return nowdate;
}
